首先，从《专利法》第47条第2款的表面来看，似乎专利无效以不具有追溯力为原则，以具有追溯力为例外。但事实上，专利无效对专利侵权判决、专利许可合同等的追溯力是一种附条件的、相对的追溯；满足相应条件的，专利无效不具有追溯力，但满足相应条件的情形在现实场景 ...

GUANGZHOU, June 16 (Xinhua) -- A total of 100 million inbound and outbound passenger trips were recorded in 2025 via checkpoints in Zhuhai connecting to Macao and Hong Kong by Sunday, 22 days earlier ...

Henan's Drive, China's Thrive! In today's complex global landscape, especially amid the ongoing China-U.S. trade tensions, some Western media and online commentators keep pushing the idea that China's ...

AlphaGalileo has helped us more than double our reach at SciDev.Net. The service has enabled our journalists around the world to reach the mainstream media with articles about the impact of science on ...

版权（著作权）法规定作品的风格不受保护，因为法律只保护思想的表达形式。比如，法国画家乔治‧修拉的点彩派绘画技法被其他人效仿。这种技法使用鲜明的原色小点营造出色彩丰富的感觉。因此，虽然版权可以保护修拉的作品，但无法保护点彩派风格；也就是说，修拉无法通过 ...

Hi everyone. I’m Stephanie LI.Coming up on today’s programHKEX is absolutely confident in having mainland giants, said CEO ...

On May 27, a China-Europe freight train loaded with over 200 vehicles departed from Shaliang Logistics Park in Hohhot, ...

On Monday, China Southern Airlines flight CZ6051, with 173 passengers on board, departed from Beijing for Dushanbe, the ...

• 米琪·珀杜是喜来登酒店（Sheraton）和珀杜农场（Perdue ...

Tourists from Indonesia enjoy snacks at Jiefangbei, a core business area in southwest China's Chongqing, July 17, 2024.

交通部观光署强化台湾观光在北美的引客力道，北美时间13日在美国西雅图设立「观光署驻西雅图TTIC台湾观光服务分处」正式揭牌。观光署表示，将结合多元场域与在地资源，陆续推出多项推广活动，全面提升台湾观光品牌的北美能见度。

李嘉诚基金会向英国剑桥大学和美国斯坦福大学医学院捐赠两台Histotripsy肝癌无创治疗设备，该技术通过超声波精确粉碎肿瘤组织。